| Property |
Average Value |
Test Methods |
Water Absorption
After 2000hrs UV Exposure |
0.10%
0.20% |
ASTM D570
(24hr immersion) |
Tear Strength
After 2000hrs UV Exposure |
275 lbs/inch
270 lbs/inch |
ASTM D624, Die C |
Brittleness Temperature
After 2000hrs UV Exposure
|
-50 deg F
-45 deg F |
ASTM D746 |
Bending Modulus
After 2000hrs UV Exposure |
710 PSI
700 PSI |
ASTM D747 |
Ozone resistance
Type "A" specimens under 20% elongation, 10 parts per million
ozone, 100°F for 100 Hours |
No cracks visible under 7x magnification |
ASTM D-1149-91 |
Durometer hardness
After 2000hrs UV Exposure |
84/78
82/76 |
ASTM D2249 |
Effect of Alkalies
After 2000hrs UV Exposure |
+0.10% change in weight
+0.15% change in weight |
CRD-C-572 Sec 7.2 |
Effect of Alkalies
After 2000hrs UV Exposure |
+2.0 Durometer Points
+2.5 Durometer Points |
CRD-C-572 Sec 7.2 |
Tensile Strength
After 2000hrs UV Exposure |
2000 psi
2100 psi |
ASTM D412, Die C |
UV Stability
|
No visible chalking
Slight discoloration |
ASTM G154, 2000 hours
Using UVA - 340 Lamps |
Weather resistance
2000 hrs. exposure |
Less than 3% loss
of properties |
ASTM G-53 |
National fire protection
Association Life Safety Code - Class II Rating |
Critical radiant flux (Watts/cm2)
Average 0.37 |
ASTM E-648
NFPA Designation no. 253 |
| Soluble Hazardous Matter |
No Compounds Detected |
ASTM F963-96a |
Ultimate Elongation
After 2000hrs UV Exposure |
360%
350% |
ASTM D412, Die C |
